CVE-2025-53690

Sitecore Products ViewState Deserialization Vulnerability

Published: Sep 3, 2025Updated: Oct 30, 2025 Sources: CVE List NVD BDUCWE-502

9.0CRITICAL

Description

Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-502

Affected Products

Sitecore

commercialaka sitecore managed cloud, experience platform, experience manager

experience commerceOn-premWeb App

Web & CMS Plugins / ecommerce-platform

experience managerOn-premWeb App

Web & CMS Plugins / cms-core

experience platformOn-prem

Web & CMS Plugins / cms-core

managed cloudSaaSSaaS Service

Cloud & SaaS / saas-application

Experience Manager (XM)On-premWeb App

Web & CMS Plugins / cms-core

Experience Platform (XP)On-premWeb App

Web & CMS Plugins / cms-core

Sitecore Experience CommerceOn-premWeb App

Enterprise Software

Sitecore Experience ManagerOn-premWeb App

Web & CMS Plugins / cms-core

and 2 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability

Added to KEV:Sep 4, 2025

Remediation due:Sep 25, 2025

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Official Patch Available

Is your org exposed to CVE-2025-53690?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

3 techniques

Execution

Initial Access

View detailed technique mapping

References

https://cloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-day-vulnerability

cloud.google.com

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1003865

support.sitecore.com

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53690

cisa.gov

and 2 more references View all →

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